Most modern browsers are starting to support HTML 5 and CSS3. The two pack an awesome punch in terms of offering functionality that was previously possible only with the help of plugins, javascript, etc right within the browser. This makes webapps work incredibly faster and function well without any overhead.

If you are a fan of HTML5 and CSS3 and want a WordPress theme built on those foundations?

HTML5Press is a free WordPress theme based on the HTML5 template by Jasper. This theme uses extensive use of CSS3 supported by modern browsers such as Google Chrome and Firefox.

Here are some of the features of this WordPress theme – HTML5Press

CSS3 and HTML5

Featured Post Images

WordPress Menu Support

WordPress Widget Support

Threaded Comments

“Back To Top” Button

If a visitor views the theme in a non-modern browser (cough.. Internet Explorer), they just won’t see the nice CSS3 transitions, rounded corners, etc.

If you are good at making a WordPress template, even you can start creating HTML5 WordPress themes and share it with the world. Here is a good book to get started with HTML5 & CSS 3 – HTML5 & CSS3 For The Real World